From 72b4b94081e8151922eb0ff17b96e800585caad9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <korli@users.berlios.de>
Date: Thu, 12 Apr 2007 18:36:37 +0000
Subject: [PATCH] use __builtin_offsetof for gcc4 and superior, it avoids a
 gcc4 broken build with template use of offsetof()

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20669 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/posix/stddef.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/headers/posix/stddef.h b/headers/posix/stddef.h
index ac24a7aa6d..ce7ec9ca6e 100644
--- a/headers/posix/stddef.h
+++ b/headers/posix/stddef.h
@@ -5,7 +5,11 @@
 */
 #include <null.h>
 
+#if defined(__GNUC__) && __GNUC__ > 3
+#define offsetof(type,member)   __builtin_offsetof(type, member)
+#else
 #define offsetof(type,member) ((size_t)&((type*)0)->member)
+#endif
 
 typedef long ptrdiff_t;